/Engine/Plugins/Runtime/MeshModelingToolset/Source/MeshModelingTools/Public/AddPrimitiveTool.h
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)() class UAddStairsPrimitiveTool : public [UAddPrimitiveTool](API\Plugins\MeshModelingTools\UAddPrimitiveTool)